Home / 867,726.32-1,302,429.08-418,763.24

Finding the Fourth Proportional to 867,726.32, 1,302,429.08 and 418,763.24

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Solution

The fourth proportional to 867,726.32, 1,302,429.08 and 418,763.24 is: 628,550.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,726.32 : 1,302,429.08 = 418,763.24 : x
  2. Step 2: Convert to fraction form
    867,726.32/1,302,429.08 = 418,763.24/x
  3. Step 3: Cross multiply
    867,726.32x = 1,302,429.08 × 418,763.24
  4. Step 4: Simplify right side
    867,726.32x = 545,409,418,359.00
  5. Step 5: Solve for x
    x = 545,409,418,359.00/867,726.32
  6. Step 6: Final answer
    x = 628,550.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.